Job Title: Scientist Location: Cambridge, United Kingdom Lonza is looking for a motivated early-career Scientist to join our R&D department at our Cambridge facility. In this role, you will lead client-facing projects involving the design, execution, and optimisation of in vitro cell-based bioassays using human peripheral blood mononuclear cells (PBMCs) to assess the immune response to therapeutics What you will get Work in an engaging and collaborative laboratory environment. Expand your skills across human primary immune cell biology and bioassay platform development. Gain practical experience with human primary immune cell isolation, cutting‑edge cell-based assays, and advanced immunogenicity screening techniques. Lead and contribute to real-world client projects, playing a direct role in evaluating and advancing therapeutic candidates. What you will do Support and deliver in vitro cell-based bioassays to assess immune responses to therapeutic candidates across multiple client studies. Perform routine isolation, banking, and characterisation of human peripheral blood mononuclear cells (PBMCs) following standard operational procedures. Maintain reliable laboratory workflows, troubleshoot routine experimental procedures, and assist in optimising and expanding assay capabilities. Keep accurate laboratory records, compile findings into technical reports, and present results to project teams and clients. What we are looking for: Degree (BSc or MSc) in Biological Sciences, Immunology, or a related discipline. Solid understanding of immunology and bioassay principles. Practical laboratory experience with aseptic cell culture, immune cell isolation, or assessment of immune responses, gained through university research projects, placements, internships, or industry experience. Strong commitment to continuous learning and professional development Clear communication, strong record-keeping abilities, and meticulous attention to detail. About Lonza At Lonza, our people are our greatest strength. With 30+ sites across five continents, our globally connected teams work together every day to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion and Integrity reflect who we are and how we work together. Everyone’s ideas, big or small, have the potential to improve millions of lives, and that’s the kind of work we want you to be part of. Innovation thrives when people from all backgrounds bring their unique perspectives to the table. At Lonza, we value diversity and are committed to creating an inclusive environment for all employees. If you’re ready to help turn our customers’ breakthrough ideas into viable therapies, we look forward to welcoming you on board. Ready to shape the future of life sciences? Apply now. Every day, our teams across the world work together to turn scientific breakthroughs into life-changing medicines that reach up to 100 million patients a year. Lonza is a place where people can make a unique impact, grow their careers and belong. You will feel at home at Lonza if you: Take ownership, step forward, and enjoy meaningful responsibility Love solving problems and thrive in a complex, fast-moving environment Are curious, always looking to learn and improve Work collaboratively, contributing to something bigger than yourself Are motivated to make a difference through work that impacts customers and their patients Why Lonza: We are a place of unique opportunity, where your ideas, expertise and ambition can make a real difference. Here, you will have the freedom to grow, the support to succeed and the chance to contribute to work that matters. We are the makers of the medicines of tomorrow. Join us. Be you. Apply Now www.lonza.com/careers

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